Overview

Role: Senior Process Engineer

Location: London/Kent/Cambridge (Hybrid Working)

Rate: £55 - £65 p/h inside IR35 - Depending on experience and level

Duration: 12 months+

Industry: AMP8 clean water Treatment

Positions: 4

Role

Senior Process Engineer — responsible for leading and coordinating process design from concept through to detailed design, acting as a key technical point of contact for clients, contributing to multidisciplinary collaboration, and ensuring successful delivery of projects in line with regulatory and industry standards.

Key Responsibilities

• Lead process design for water treatment works across feasibility, outline, and detailed design phases.
• Produce and review core design deliverables such as:
  • Process Flow Diagrams (PFDs)
  • P&IDs
  • Mass and energy balances
  • Process calculations and sizing
  • Design Basis Reports (DBRs)
  • Control philosophies
• Oversee compliance with client specifications, regulatory frameworks, and industry codes (e.g., WIMES).
• Coordinate with civil engineering teams to ensure integrated design delivery.
• Contribute to design reviews, HAZOP workshops, and technical risk assessments.
• Support the preparation of proposals, tenders, and commercial documentation.
• Provide mentoring and guidance to graduate and junior engineers, encouraging knowledge sharing and best practice.

Candidate Profile

• Degree-qualified in Chemical or Process Engineering (essential).
• Chartered Engineer (CEng) with IChemE or working towards Chartership.
• 7 years' + experience in the design of clean water treatment projects.
• Proven ability to produce and manage full sets of process design documentation.
• Strong technical knowledge of biological, chemical, and sludge treatment processes.
• Experience working within UK water frameworks (AMP cycles) desirable.
• Proficient in AutoCAD or similar CAD software.
• Familiarity with WIMES and Sewers for Adoption.
• Strong communication and stakeholder engagement skills.